<div class="echarts-mng-container">
    <div class="row">
        <div class="col-sm-12">
            <div id="piechart-example" style="width: 600px;height:400px;"></div>
        </div>
    </div>
    <div class="row">
        <div class="col-sm-12">
            <div id="barchart-example" style="width: 600px;height:400px;"></div>
        </div>
    </div>
    <div class="row">
        <div class="col-sm-12">
            <div id="linechart-example" style="width: 600px;height:400px;"></div>
        </div>
    </div>
</div>
